Judges 12:6

6they said to him, “Then say ‘Shibboleth.’ ” And he said, “Sibboleth,” for he could not 12:6 Lit speak thus. The difference in pronunciation was between a Hebrew consonant with an “sh” sound, which the Ephraimites evidently did not have in their dialect, and another consonant with a sharp “s” sound. This difference was similar to that between the Hebrew greeting “Shalom,” and the greeting “Salaam” used in Islamic circles. Shibboleth has even been accepted into English as a word meaning “a peculiarity of pronunciation.” In Hebrew it refers to an ear or head of grain.pronounce it correctly. Then they seized him and killed him at the fords of the Jordan. At that time forty-two thousand of the Ephraimites fell.